controlservlet.java

一个由B/S做的宠物医院

package pethospitalsystem;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;

//控制器Servlet,用来控制JSP页面的转向.

public class ControlServlet extends HttpServlet {
    private static final String CONTENT_TYPE = "text/html; charset=GBK";

    //Initialize global variables
    public void init() throws ServletException {
    }

    //Process the HTTP Get request
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        response.setContentType(CONTENT_TYPE);
        //从请求页面获取page参数，用来达到转向效果.
        String jsppage=request.getParameter("page")+".jsp";
        response.sendRedirect(jsppage);
    }

    //Process the HTTP Post request
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        doGet(request, response);
    }

    //Clean up resources
    public void destroy() {
    }
}